800 GPM Duplex Pumps For Sale

We have a large stock of Double-Acting Duplex Pumps that are used for various applications such as fluid (including heavy oil) transfers in pipelines, mud pumping, cement pumping, water well drilling etc. in the Oil & Gas, Agriculture, Mining, Municipal & Manufacturing sectors. Duplex Pumps have two cylinders and are capable of handling different pressures, volumes and flow rates. We supply new, used and refurbished API 674 Double Acting Duplex Pumps of all leading manufacturers including Gaso, Wheatley, Gardner Denver, National & Oilwell.

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Used National G-700 Duplex Pump Complete Pump

Used National G-700 duplex pump with the following features: • 14" stroke • 700 HP • Cast iron fluid end • Capable of 285 gpm @ 3550 psi with 5" pistons or 805 gpm @ 1265 psi with 8" pistons • suction connection • discharge connection • 5.38 (integral or pinion or eternal gear box) gear ratio • Surge chamber on skid, 10' x23' enclosure. • Weight • Dims (23'L x 10'W x 9'6” H)

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  • 700 HP
  • 70 RPM
  • 805 GPM
  • 1265 PSI
  • Ratio: 5.3800
  • Stock No: 54414
Positive Displacement Pump Reciprocating Pump
805
1265
70
700
5.3800
1 of 26
Used Gardner Denver FQ-FXQ Duplex Pump Complete Pump

16" stroke duplex mud pump, Mattco fluid end, 12 groove 57" sheave (clamp type)

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  • 320 HP
  • 65 RPM
  • 821 GPM
  • 1319 PSI
  • Ratio: 4.7700
  • Stock No: 52796
Positive Displacement Pump Reciprocating Pump
821
1319
65
320
4.7700
1 of 14
Used Continental Emsco DA-500 Duplex Pump Complete Pump

Used Continental Emsco DA-500 duplex production pump with the following features: • 16" stroke • 500 HP • Ductile iron fluid end • 6" pistons • suction connection • discharge connection • Weight • Dims

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  • 500 HP
  • 65 RPM
  • 754 GPM
  • 970 PSI
  • Stock No: 58263
Positive Displacement Pump Reciprocating Pump
754
970
65
500
1 of 13
Used Emsco D-500 Duplex Pump Complete Pump

Used Emsco D-500 duplex production pump with the following features: • 16" stroke • 500 HP • Ductile iron fluid end • capable of 268gpm @ 2720psi with 4 3/4" pistons or 751gpm @ 970psi with 7 1/2" pistons • suction connection • discharge connection • Weight • Dims

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  • 500 HP
  • 65 RPM
  • 751 GPM
  • 970 PSI
  • Stock No: 58278
Positive Displacement Pump Reciprocating Pump
751
970
65
500
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Used Emsco D-500 Duplex Pump Complete Pump

Used Emsco D-500 duplex production pump package with the following features: • 16" stroke • 500 HP • Ductile iron fluid end • capable of 268gpm @ 2720psi with 4 3/4" pistons or 751gpm @ 970psi with 7 1/2" pistons • suction connection • discharge connection • Packaged on skid with twin Detroit engines • Weight • Dims

1 of 37
  • 500 HP
  • 65 RPM
  • 751 GPM
  • 970 PSI
  • Stock No: 58269
Positive Displacement Pump Reciprocating Pump
751
970
65
500
1 of 8
Used Wheatley 2180-A Duplex Pump Complete Pump

Used Wheatley 2180-A WBC duplex pump with the following features: • 10" stroke • 130 HP • Fluid end • capable of 503gpm @ 376psi with 6 1/2" pistons or 770gpm @ 249psi with 8" pistons • suction connection • discharge connection • 5.64 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 8
  • 130 HP
  • 90 RPM
  • 770 GPM
  • 249 PSI
  • Ratio: 5.6400
  • Stock No: 58444
Positive Displacement Pump Reciprocating Pump
770
249
90
130
5.6400